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post #121 of 399
Quote:
Originally Posted by aln688 View Post
While not stellar and I've no intention of going further, I've got 4.0 GHz (20 x 200) with a maximum of 72C in LinX 100 passes. The ambient temperature of the room is 82F. I'm using these values:

CPU Voltage: 1.23125
QPI/DRAM Voltage: 1.24375
DRAM Voltage: 1.60

Any less than these voltages and both LinX and Prime95 crash within 10 minutes. I'm quite happy with 4.0 GHz @ 72C. If anyone needs more settings for reference, please let me know.
You finally did it! Congrats! So, it was just one jumper holding you back!
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post #122 of 399
Thread Starter 
Quote:
Originally Posted by aln688 View Post
While not stellar and I've no intention of going further, I've got 4.0 GHz (20 x 200) with a maximum of 72C in LinX 100 passes. The ambient temperature of the room is 82F. I'm using these values:

CPU Voltage: 1.23125
QPI/DRAM Voltage: 1.24375
DRAM Voltage: 1.60

Any less than these voltages and both LinX and Prime95 crash within 10 minutes. I'm quite happy with 4.0 GHz @ 72C. If anyone needs more settings for reference, please let me know.
Is that with HT on?
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post #123 of 399
Quote:
Originally Posted by Robilar View Post
Is that with HT on?
No, HT is off. When I switch on HT, I get 76C at full load and same voltage is used. I really don't have anything that makes full use of HT, not that it matters but LinX shows less Gigaflops with HT on and what I do in Photoshop is plenty fast for me as is. Lower temperatures by disabling HT, which makes no noticable difference, at least for me, makes sense.

Separate subject, how come you can get away with 1.18 CPU Voltage?! Mine simply won't let me go below 1.23125.
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post #124 of 399
Just got most of my new parts today from New Egg. I was reieved to see my new i7 920 had an S-Spec: SLBEJ (Yay for D0).

I ordered it on 6/14 from New Egg and it shipped to me from the CA warehouse. So for those wondering, D0's are in fact coming from there.

Now just waiting on my water block and reservoir and I can set this bad boy up.
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post #125 of 399
Thread Starter 
Quote:
Originally Posted by aln688 View Post
No, HT is off. When I switch on HT, I get 76C at full load and same voltage is used. I really don't have anything that makes full use of HT, not that it matters but LinX shows less Gigaflops with HT on and what I do in Photoshop is plenty fast for me as is. Lower temperatures by disabling HT, which makes no noticable difference, at least for me, makes sense.

Separate subject, how come you can get away with 1.18 CPU Voltage?! Mine simply won't let me go below 1.23125.
That is why I was asking. With HT on I need slightly more voltage but with it off, 1.18 is 10 hours+ stable with prime, temps in low 60's maximum.

I find it hard to believe that my chip is so much better. All of the D0's should be in the same general range.
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post #126 of 399
Quote:
Originally Posted by jahosefat View Post
Just got most of my new parts today from New Egg. I was reieved to see my new i7 920 had an S-Spec: SLBEJ (Yay for D0).

I ordered it on 6/14 from New Egg and it shipped to me from the CA warehouse. So for those wondering, D0's are in fact coming from there.

Now just waiting on my water block and reservoir and I can set this bad boy up.
...or you could order it from Tankguys.com where they actually state the stepping of the CPU, that's what I did. Newegg cannot guarantee the stepping, they quite literally grab what's on the warehouse shelf and ship it. It sounds like you've come up trumps though, good for you.
Edited by aln688 - 6/16/09 at 1:45pm
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post #127 of 399
Quote:
Originally Posted by Robilar View Post
That is why I was asking. With HT on I need slightly more voltage but with it off, 1.18 is 10 hours+ stable with prime, temps in low 60's maximum.

I find it hard to believe that my chip is so much better. All of the D0's should be in the same general range.
You've definitely got low volts for your CPU, I can't go below 1.23 before it's BSOD time. Oh, so HT on and off actually require different voltages? Interesting. I just completed a Prime95 run (Large FFTs) of eight hours, 100% stable at 4.0 GHz, 1.23 CPU Voltage and HT off. Maximum temperature was 71C and never budged, room ambient is 81F. If I enable HT, it only adds about 5C to my maximum temperature.

Once I move my drive cage from the middle three slots on my case down below to the lower three slots (Lian-Li A17B), then install 120x38mm Panaflos front (via a Lian-Li BZ-502) and rear, I'll have a lot of cool air blowing in the middle of the board, I'm hoping I get slightly cooler temperatures under that steup.

I also have available a Thermalright Ultra 120 eXtreme 1366RT, I'm wondering if my temperatures will be much better under that heatsink? ...with it having six heatpipes. I've read with this heatsink that contact pressure isn't great, with the ability to still move the heatsink (wiggle) even although it's screwed down.
Edited by aln688 - 6/16/09 at 1:45pm
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post #128 of 399
Help me get my D0 past 3.9ghz.I cant figuure out this bios and im afraid ill roast or toast my board or cpu.
Edited by mothow - 6/16/09 at 2:19pm
    
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post #129 of 399
Your signature states you are at 4.2 GHz on a D0, do you still need help?
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post #130 of 399
Yeah it will do 4.2ghz but not stable.I thought it was stable but it wasnt so i backed it down to 3.9ghz.And its fine with only vram and a Vcore increase's.But at 4.2ghz this doesnt work.Well not stable anyway
    
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